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A cyclic redundancy check (CRC) is an error-detecting code commonly used in digital networks and storage devices to detect accidental changes to digital data. [1] [2] Blocks of data entering these systems get a short check value attached, based on the remainder of a polynomial division of their contents. On retrieval, the calculation is ...
Using a 256-entry table is usually most convenient, but other sizes can be used. In small microcontrollers, using a 16-entry table to process four bits at a time gives a useful speed improvement while keeping the table small. On computers with ample storage, a 65 536-entry table can be used to process 16 bits at a time.
It was the first time a women's marathon had been held at the Olympic Games. The 50 competitors came from 28 countries. 44 finished the race. [ 1 ] The world record holder Joan Benoit of the United States won the gold medal by 1m 26, with the silver medal going to the 1983 World champion Grete Waitz of Norway, and bronze to Rosa Mota of Portugal.
The following tables are an overview of all current national records in the marathon, as compiled by World Athletics [1] and other authoritative sources of road racing statistics. [ 2 ] [ 3 ] [ 4 ] Background
For example, if a team ran a 3-minute 4 × 400, it does not mean every runner on the team has to run a 45-second open 400, because a person starts accelerating before they have the baton, therefore allowing for slightly slower overall open 400 times. A 4 × 400 relay generally starts in lanes for the first leg, including the handoff.
Standing records prior to the 2000 Summer Olympics World Record Tegla Loroupe (KEN) 2:20:43: 26 September 1999: Berlin, Germany Olympic Record Joan Benoit (USA) 2:24:52: 5 August 1984
The marathon distance of 42.195 km was run over a course that starts with two laps around Odori Park. The route then includes a large loop (about half the marathon's length) through the streets of Sapporo, passing by Nakajima Park, Sapporo TV Tower, and Hokkaido University, and crossing the Toyohira River twice. The course then takes two trips ...
Leadville Trail Marathon: This is a 26.2-mile (42.2 km) marathon through the mining districts east of Leadville, is held in June each year. The midpoint of the course is at Mosquito Pass, with an altitude of 13,185 feet (4,019 m). In 2006, a "heavy" half marathon event of 15 miles was added, which is run on the same day and also goes to the top ...